N O S T a L G I C's 'could be.' came out on August 21, 2021. The duration of could be. is about two minutes long, specifically at 2:34. This song does not appear to have any foul language. could be.'s duration is considered a little bit shorter than the average duration of a typical track. There are a total of 3 in the song's album "simulation". In this album, this song's track order is #1. could be. is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

could be. テンポ

With could be. by N O S T a L G I C having a テンポ of 70 with a half-time of 35 テンポ and a double-time of 140 テンポ, we would consider this track to have a Adagio (slowly with great expression) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 4/4.

could be. キー

This song has a musical key of G Minor. Which also means that the camelot key for this song is 6A. So, the perfect camelot match for 6A would be either 6A or 5B. While, a low energy boost can consist of either 6B or 7A. For moderate energy boost, you would use 3A and a high energy boost can either be 8A or 1A. However, if you are looking for a low energy drop, finding a song with a camelot key of 5A would be a great choice. Where 9A would give you a moderate drop, and 4A or 11A would be a high energy drop. Lastly, 9B allows you to change the mood.